1 #ifndef _ASM_IA64_SIGINFO_H
2 #define _ASM_IA64_SIGINFO_H
3
4 /*
5 * Based on <asm-i386/siginfo.h>.
6 *
7 * Modified 1998-2002
8 * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
9 */
10
11 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
12
13 #define HAVE_ARCH_SIGINFO_T
14 #define HAVE_ARCH_COPY_SIGINFO
15 #define HAVE_ARCH_COPY_SIGINFO_TO_USER
16
17 #include <asm-generic/siginfo.h>
18
19 typedef struct siginfo {
20 int si_signo;
21 int si_errno;
22 int si_code;
23 int __pad0;
24
25 union {
26 int _pad[SI_PAD_SIZE];
27
28 /* kill() */
29 struct {
30 pid_t _pid; /* sender's pid */
31 uid_t _uid; /* sender's uid */
32 } _kill;
33
34 /* POSIX.1b timers */
35 struct {
36 timer_t _tid; /* timer id */
37 int _overrun; /* overrun count */
38 char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
39 sigval_t _sigval; /* must overlay ._rt._sigval! */
40 int _sys_private; /* not to be passed to user */
41 } _timer;
42
43 /* POSIX.1b signals */
44 struct {
45 pid_t _pid; /* sender's pid */
46 uid_t _uid; /* sender's uid */
47 sigval_t _sigval;
48 } _rt;
49
50 /* SIGCHLD */
51 struct {
52 pid_t _pid; /* which child */
53 uid_t _uid; /* sender's uid */
54 int _status; /* exit code */
55 clock_t _utime;
56 clock_t _stime;
57 } _sigchld;
58
59 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
60 struct {
61 void __user *_addr; /* faulting insn/memory ref. */
62 int _imm; /* immediate value for "break" */
63 unsigned int _flags; /* see below */
64 unsigned long _isr; /* isr */
65 short _addr_lsb; /* lsb of faulting address */
66 } _sigfault;
67
68 /* SIGPOLL */
69 struct {
70 long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
71 int _fd;
72 } _sigpoll;
73 } _sifields;
74 } siginfo_t;
75
76 #define si_imm _sifields._sigfault._imm /* as per UNIX SysV ABI spec */
77 #define si_flags _sifields._sigfault._flags
78 /*
79 * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
80 * si_code is non-zero and __ISR_VALID is set in si_flags.
81 */
82 #define si_isr _sifields._sigfault._isr
83
84 /*
85 * Flag values for si_flags:
86 */
87 #define __ISR_VALID_BIT 0
88 #define __ISR_VALID (1 << __ISR_VALID_BIT)
89
90 /*
91 * SIGILL si_codes
92 */
93 #define ILL_BADIADDR (__SI_FAULT|9) /* unimplemented instruction address */
94 #define __ILL_BREAK (__SI_FAULT|10) /* illegal break */
95 #define __ILL_BNDMOD (__SI_FAULT|11) /* bundle-update (modification) in progress */
96 #undef NSIGILL
97 #define NSIGILL 11
98
99 /*
100 * SIGFPE si_codes
101 */
102 #define __FPE_DECOVF (__SI_FAULT|9) /* decimal overflow */
103 #define __FPE_DECDIV (__SI_FAULT|10) /* decimal division by zero */
104 #define __FPE_DECERR (__SI_FAULT|11) /* packed decimal error */
105 #define __FPE_INVASC (__SI_FAULT|12) /* invalid ASCII digit */
106 #define __FPE_INVDEC (__SI_FAULT|13) /* invalid decimal digit */
107 #undef NSIGFPE
108 #define NSIGFPE 13
109
110 /*
111 * SIGSEGV si_codes
112 */
113 #define __SEGV_PSTKOVF (__SI_FAULT|3) /* paragraph stack overflow */
114 #undef NSIGSEGV
115 #define NSIGSEGV 3
116
117 #undef NSIGTRAP
118 #define NSIGTRAP 4
119
120 #ifdef __KERNEL__
121 #include <linux/string.h>
122
123 static inline void
copy_siginfo(siginfo_t * to,siginfo_t * from)124 copy_siginfo (siginfo_t *to, siginfo_t *from)
125 {
126 if (from->si_code < 0)
127 memcpy(to, from, sizeof(siginfo_t));
128 else
129 /* _sigchld is currently the largest know union member */
130 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
131 }
132
133 #endif /* __KERNEL__ */
134
135 #endif /* _ASM_IA64_SIGINFO_H */
136